As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 12/3/20  Wilks Staci                       3/A        10% Owner²  5:36K  FTS International, Inc.           Broadridge Fin’l So… Inc 
          THRC Holdings, LP
          THRC Management, LLC
          Wilks Dan H.
11/24/20  THRC Holdings, LP                 3          10% Owner²  2:27K  FTS International, Inc.           Broadridge Fin’l… Inc/FA 
          Wilks Dan H.
          Wilks Staci
 5/11/17  Wilks Staci                       4          %Own.,Oth.² 6:26K  Approach Resources Inc.           Donnelley Fin’l S… 06/FA 
          SDW Investments, LLC
          Wilks Brothers, LLC
          Wilks Dan H.
          Wilks Farris
  5/9/17  Wilks Farris                      3          10% Owner²  5:21K  Carbo Ceramics Inc.               Donnelley Fin’l S… 06/FA 
          Wilks Brothers, LLC
          Wilks Dan H.
          Wilks Staci

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¹	Filing/Form Types:
	3	Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 { The Filer is an Insider² of the Issuer }.
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.